Psychometric properties of the French-language version of the Coercion Experience Scale (CES)

Golay, Philippe (Community Psychiatry Service, Department of Psychiatry, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland; General Psychiatry Service, Treatment and Early Intervention in Psychosis Program (TIPP–Lausanne), Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland; Institute of Psychology, Faculty of Social and Political Science, University of Lausanne, Lausanne, Switzerland) ; Favrod, Jérôme (La Source, School of nursing sciences, HES-SO University of Applied Sciences and Arts of Western Switzerland, Lausanne) ; Morandi, Stéphane (Community Psychiatry Service, Department of Psychiatry, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland) ; Bonsack, Charles (Community Psychiatry Service, Department of Psychiatry, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland)

Background: The Coercion Experience Scale (CES) was designed to measure the psychological impact of psychiatric coercive interventions. The French-language CES was adapted using a translation/back-translation procedure. It consists originally of 31 items and 6 subscores. Aim: The goal of this study was aimed to assess the psychometric properties of the French-language CES. Method: 146 inpatients were evaluated. Internal validity was assessed using confirmatory factor analysis. Reliability was estimated using internal consistency coefficients and a test–retest procedure. Convergent validity was estimated using correlations between the AES scores and the Coercion Ladder (CL), the MacArthur’s Admission Experience Survey (AES) and the World Health Organization Quality of Life (WHOQOL-BREF) scale. Discriminatory power was evaluated by comparing the scores of patients undergoing voluntary or compulsory admission. Results: Although the six-factor original model of the CES showed adequate fit to the data of the French-language version, two factors were almost indistinguishable. A well-defined five-factor alternative was proposed. The CES scores showed good internal consistency. Test–retest reliability varied from good to weak among the five subscores. Correlations between CES and CL, AES and WHOQOL scores suggested good convergent validity for most scores. Two CES scores were significantly higher among patients subject to compulsory psychiatric hospital admission than among those admitted voluntarily. Conclusions: Overall, the French-language version of the CES is a usable tool to study different aspects of perceived coercion.


Keywords:
Article Type:
scientifique
Faculty:
Santé
School:
La Source
Institute:
Secteur Recherche et Développement (Ra&D) de l'Institut et Haute Ecole de la Santé La Source
Subject(s):
Santé
Date:
2019-01
Pagination:
10 p.
Published in:
Annals of General Psychiatry
Numeration (vol. no.):
2019, vol. 18, no. 4
DOI:
ISSN:
1744-859X
Appears in Collection:



 Record created 2019-07-02, last modified 2019-07-09

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